GPT-5.3 Chat (latest)
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
openai/gpt-5.3-chat-latest- Lab
- OpenAI
- Family
- gpt
- Providers
- 4
- Context
- 128,000
- Output limit
- 16,384
- Knowledge
- 2025-08
- Release
- 2026-03-03
- Updated
- 2026-03-03
- Weights
- Closed
- Input
- Output types
- Capabilities
- tools, structured, temperature
Providers
4| Provider | Lab | Model ID | Context | Output | Price | Reasoning | Tool Call | Structured | Temperature |
|---|---|---|---|---|---|---|---|---|---|
| LLM Gateway | OpenAI | gpt-5.3-chat-latest | 128,000 | 16,384 | $1.75 / $14.00 | No | Yes | Yes | Yes |
| Merge Gateway | OpenAI | openai/gpt-5.3-chat-latest | 128,000 | 16,384 | $1.75 / $14.00 | No | Yes | Yes | Yes |
| OpenAI | OpenAI | gpt-5.3-chat-latest | 128,000 | 16,384 | $1.75 / $14.00 | No | Yes | Yes | Yes |
| OrcaRouter | OpenAI | openai/gpt-5.3-chat-latest | 128,000 | 16,384 | $1.75 / $14.00 | No | Yes | Yes | Yes |
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